49
Inserting the graticules:
The graticules have a diameter of 26 mm and can
only be inserted in the eyepieces HC PLAN
10x/20/22/25 with type M adjustable eyelens. The
second eyepiece in the tube should also have a
type M adjustable eyelens.
Caution:
Make sure there are no dust or fingermarks on
the graticule when inserting it, as these will show
up on the microscope image.
Eyepieces HC PLAN 10x/20 M and HC PLAN
12.5x/16 M*
Unscrew retainer ring on the underneath of the
eyepiece (66.8a), perhaps using a rubber cloth.
Eyepieces HC PLAN 10x/22 and HC PLAN 10x/25*
Unscrew lower part of eyepiece (66.7). Unscrew
the slitted retainer ring (66.8b) out of the lower
part with a blunt blade.
Insert the graticule with the coated side pointing
downwards towards the objective.
Lettering must be shown the right way round.
Screw the retainer ring and the lower part of the
eyepiece back in.
11
10
6
7
8b
1
2
3
4
5
10x/20
10x/20M
10x/25M
8a
10
10
10x/22M
PHOTO
Fig. 66
Eyepieces
1–4
Eyepieces with anti-glare protection in position for non-
eyeglass wearers,
5
PHOTO eyepiece,
6
10 x/25M eyepiece,
disassembled,
6
Upper part,
7
Lower part, unscrewed (also
applies for 10 x/22M, 12.5 x 16M, but not for 10 x/20 and 10 x/20M,
8a, b
Retainer ring for eyepiece graticules, can be screwed out,
9
Eyepiece graticule*,
10
Anti-glare protection, removable for
viewing with eyeglasses (for 10 x/20 and 10 x/22 eyepieces it can
be pushed back, inserted and removed, pos. 8a and 8b). The
design of the 12.5 x/16M eyepiece is basically the same as that of
the 10 x/25M eyepiece.
